Home / 129,513.94-194,281.84-36,019.69

Finding the Fourth Proportional to 129,513.94, 194,281.84 and 36,019.69

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Solution

The fourth proportional to 129,513.94, 194,281.84 and 36,019.69 is: 54,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,513.94 : 194,281.84 = 36,019.69 : x
  2. Step 2: Convert to fraction form
    129,513.94/194,281.84 = 36,019.69/x
  3. Step 3: Cross multiply
    129,513.94x = 194,281.84 × 36,019.69
  4. Step 4: Simplify right side
    129,513.94x = 6,997,971,208.75
  5. Step 5: Solve for x
    x = 6,997,971,208.75/129,513.94
  6. Step 6: Final answer
    x = 54,032.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.